Home / 46,670.60-69,995.46-13,390.50

Finding the Fourth Proportional to 46,670.60, 69,995.46 and 13,390.50

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Solution

The fourth proportional to 46,670.60, 69,995.46 and 13,390.50 is: 20,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,670.60 : 69,995.46 = 13,390.50 : x
  2. Step 2: Convert to fraction form
    46,670.60/69,995.46 = 13,390.50/x
  3. Step 3: Cross multiply
    46,670.60x = 69,995.46 × 13,390.50
  4. Step 4: Simplify right side
    46,670.60x = 937,274,207.13
  5. Step 5: Solve for x
    x = 937,274,207.13/46,670.60
  6. Step 6: Final answer
    x = 20,082.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.